[INFO] fetching crate protokit_desc 0.1.4...
[INFO] checking protokit_desc-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate protokit_desc 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate protokit_desc 0.1.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protokit_desc 0.1.4
[INFO] finished tweaking crates.io crate protokit_desc 0.1.4
[INFO] tweaked toml for crates.io crate protokit_desc 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding logos v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-codegen v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding protokit_binformat v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding protokit_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding protokit_textformat v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protokit_derive v0.1.4
[INFO] [stderr]   Downloaded arcstr v1.1.5
[INFO] [stderr]   Downloaded logos v0.13.0
[INFO] [stderr]   Downloaded protokit_binformat v0.1.4
[INFO] [stderr]   Downloaded logos-derive v0.13.0
[INFO] [stderr]   Downloaded protokit_textformat v0.1.4
[INFO] [stderr]   Downloaded logos-codegen v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270d2bfc56a7dea26f2a66feb1db22d299ffe6c1672388168bd127716147b789
[INFO] running `Command { std: "docker" "start" "-a" "270d2bfc56a7dea26f2a66feb1db22d299ffe6c1672388168bd127716147b789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270d2bfc56a7dea26f2a66feb1db22d299ffe6c1672388168bd127716147b789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270d2bfc56a7dea26f2a66feb1db22d299ffe6c1672388168bd127716147b789", kill_on_drop: false }`
[INFO] [stdout] 270d2bfc56a7dea26f2a66feb1db22d299ffe6c1672388168bd127716147b789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a1007456b7bd7fe2f3a6e6486eccdb0f4f5c69d4b8830158d788aae0305431
[INFO] running `Command { std: "docker" "start" "-a" "06a1007456b7bd7fe2f3a6e6486eccdb0f4f5c69d4b8830158d788aae0305431", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking arcstr v1.1.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling protokit_derive v0.1.4
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking protokit_binformat v0.1.4
[INFO] [stderr]     Checking logos v0.13.0
[INFO] [stderr]     Checking protokit_textformat v0.1.4
[INFO] [stderr]     Checking protokit_desc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.05s
[INFO] running `Command { std: "docker" "inspect" "06a1007456b7bd7fe2f3a6e6486eccdb0f4f5c69d4b8830158d788aae0305431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a1007456b7bd7fe2f3a6e6486eccdb0f4f5c69d4b8830158d788aae0305431", kill_on_drop: false }`
[INFO] [stdout] 06a1007456b7bd7fe2f3a6e6486eccdb0f4f5c69d4b8830158d788aae0305431
[INFO] checking protokit_desc-0.1.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate protokit_desc 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate protokit_desc 0.1.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protokit_desc 0.1.4
[INFO] finished tweaking crates.io crate protokit_desc 0.1.4
[INFO] tweaked toml for crates.io crate protokit_desc 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding logos v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-codegen v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding protokit_binformat v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding protokit_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding protokit_textformat v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2914f3c296f57c49b87b9106997eca4c615d40c5f16ceac61ff3c480ac5dc0f7
[INFO] running `Command { std: "docker" "start" "-a" "2914f3c296f57c49b87b9106997eca4c615d40c5f16ceac61ff3c480ac5dc0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2914f3c296f57c49b87b9106997eca4c615d40c5f16ceac61ff3c480ac5dc0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2914f3c296f57c49b87b9106997eca4c615d40c5f16ceac61ff3c480ac5dc0f7", kill_on_drop: false }`
[INFO] [stdout] 2914f3c296f57c49b87b9106997eca4c615d40c5f16ceac61ff3c480ac5dc0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c77d9d09a4c761d0f283172bc06830f1dade558ba7f539f2530f34b9b6c329e
[INFO] running `Command { std: "docker" "start" "-a" "5c77d9d09a4c761d0f283172bc06830f1dade558ba7f539f2530f34b9b6c329e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking arcstr v1.1.5
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling protokit_derive v0.1.4
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking logos v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking protokit_binformat v0.1.4
[INFO] [stderr]     Checking protokit_textformat v0.1.4
[INFO] [stderr]     Checking protokit_desc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "5c77d9d09a4c761d0f283172bc06830f1dade558ba7f539f2530f34b9b6c329e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c77d9d09a4c761d0f283172bc06830f1dade558ba7f539f2530f34b9b6c329e", kill_on_drop: false }`
[INFO] [stdout] 5c77d9d09a4c761d0f283172bc06830f1dade558ba7f539f2530f34b9b6c329e